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If you sell 63 million burgers every week, then you have to buy whole bunch of beef, and you have to have good suppliers. It's a much bigger deal too, if all that beef needs to be FRESH - instead of frozen.

But --- Senior supply director, Rickette Collins for McDonald's says the fresh beef campaign has been a big success.

That campaign has been running since March. And she says Beef producers have been busy during this fresh beef push.

In the U.S. McDonald's buys two-percent of the beef supply and purchase 660 million pounds annually.

Every week McDonald's sells 63 million burgers from its more than 14,000 restaurants in the United States.